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authorH.J. Lu <hongjiu.lu@intel.com>2009-05-21 18:43:45 -0700
committerUlrich Drepper <drepper@redhat.com>2009-05-21 18:43:45 -0700
commitd2812fc6d26adc7fc74d85079874a8ee944343da (patch)
tree918e822d7b661c65175d8a67b7332af7bf8a0d2c /sysdeps/unix/sysv/linux/ia64
parente7535de78f5e027e91cab6d4288a45b03ba0097f (diff)
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Add ____longjmp_chk support for IA-64.
Diffstat (limited to 'sysdeps/unix/sysv/linux/ia64')
-rw-r--r--sysdeps/unix/sysv/linux/ia64/__longjmp.S10
1 files changed, 9 insertions, 1 deletions
diff --git a/sysdeps/unix/sysv/linux/ia64/__longjmp.S b/sysdeps/unix/sysv/linux/ia64/__longjmp.S
index aa18fadf9c..2e74904385 100644
--- a/sysdeps/unix/sysv/linux/ia64/__longjmp.S
+++ b/sysdeps/unix/sysv/linux/ia64/__longjmp.S
@@ -42,7 +42,11 @@
/* __longjmp(__jmp_buf buf, int val) */
LEAF(__longjmp)
+#ifdef CHECK_RSP
+ alloc r8=ar.pfs,2,1,1,0
+#else
alloc r8=ar.pfs,2,1,0,0
+#endif
mov r27=ar.rsc
add r2=0x98,in0 // r2 <- &jmpbuf.orig_jmp_buf_addr
;;
@@ -70,14 +74,18 @@ LEAF(__longjmp)
add r3=8,in0 // r3 <- &jmpbuf.r1
shl r9=r25,r17
;;
+ ld8.fill.nta r28=[r2],16 // r28 <- jmpbuf.sp
or r25=r8,r9
;;
mov r26=ar.rnat
mov ar.unat=r25 // setup ar.unat (NaT bits for r1, r4-r7, and r12)
;;
- ld8.fill.nta sp=[r2],16 // r12 (sp)
+#ifdef CHECK_RSP
+ CHECK_RSP (r28)
+#endif
ld8.fill.nta gp=[r3],16 // r1 (gp)
dep r11=-1,r23,3,6 // r11 <- ia64_rse_rnat_addr(jmpbuf.ar_bsp)
+ mov sp=r28 // r12 (sp)
;;
ld8.nta r16=[r2],16 // caller's unat
ld8.nta r17=[r3],16 // fpsr